[INFO] cloning repository https://github.com/yangyunfeng666/rustDemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yangyunfeng666/rustDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangyunfeng666%2FrustDemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangyunfeng666%2FrustDemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69910fbf4c7bea55cfb0a4640415b9619c658430
[INFO] testing yangyunfeng666/rustDemo against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangyunfeng666%2FrustDemo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yangyunfeng666/rustDemo
[INFO] finished tweaking git repo https://github.com/yangyunfeng666/rustDemo
[INFO] tweaked toml for git repo https://github.com/yangyunfeng666/rustDemo written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yangyunfeng666/rustDemo on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yangyunfeng666/rustDemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1fd29c62017b32bf0f46e8937e61eee04479857fc21241c6da6f94dc75b9703
[INFO] running `Command { std: "docker" "start" "-a" "f1fd29c62017b32bf0f46e8937e61eee04479857fc21241c6da6f94dc75b9703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fd29c62017b32bf0f46e8937e61eee04479857fc21241c6da6f94dc75b9703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fd29c62017b32bf0f46e8937e61eee04479857fc21241c6da6f94dc75b9703", kill_on_drop: false }`
[INFO] [stdout] f1fd29c62017b32bf0f46e8937e61eee04479857fc21241c6da6f94dc75b9703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90199b39d15e6aec0297ea98dfcbdf5e23bc8025c02dc029405db70881399cc4
[INFO] running `Command { std: "docker" "start" "-a" "90199b39d15e6aec0297ea98dfcbdf5e23bc8025c02dc029405db70881399cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stdout] warning: type `y_enum` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum y_enum {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     a1(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     a2(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toast` is never read
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub key: String,
[INFO] [stdout] 9 |     toast: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling hello v1.0.0 (/opt/rustwide/workdir/hello)
[INFO] [stdout] warning: trait `sumer` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:313:7
[INFO] [stdout]     |
[INFO] [stdout] 313 | trait sumer {
[INFO] [stdout]     |       ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sumer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `twwier` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to upper camel case: `Twwier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> hello/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let num = rand::thread_rng().gen_range(1,100);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> hello/src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `V6Ip`
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_V6Ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aa`
[INFO] [stdout]    --> hello/src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |    let  aa :Vec<i32> = vec![1,2,3,4];
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> hello/src/main.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |    let a = ss + &sa;//第一参数被使用权转移了
[INFO] [stdout]     |        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]    --> hello/src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |    let vec = vec![1,2,3,4];
[INFO] [stdout]     |        ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> hello/src/main.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | let f = match file {
[INFO] [stdout]     |     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> hello/src/main.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |                     Err(error) => {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> hello/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key1`
[INFO] [stdout]    --> hello/src/main.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let key1 = front_of_house::y_enum::a1;//使用作用域
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kye2`
[INFO] [stdout]    --> hello/src/main.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |     let kye2 = front_of_house::y_enum::a2;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_kye2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aa` and `bb` are never read
[INFO] [stdout]    --> hello/src/main.rs:322:5
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 322 |     aa:String,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 323 |     bb:String
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_use_duan` is never used
[INFO] [stdout]    --> hello/src/main.rs:348:4
[INFO] [stdout]     |
[INFO] [stdout] 348 | fn read_use_duan() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]    --> hello/src/main.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 |     V4(u8,u8,u8,u8),
[INFO] [stdout]     |     -- ^^ ^^ ^^ ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 385 -     V4(u8,u8,u8,u8),
[INFO] [stdout] 385 +     V4((),(),(),()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> hello/src/main.rs:386:8
[INFO] [stdout]     |
[INFO] [stdout] 386 |     V6(String),
[INFO] [stdout]     |     -- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 386 -     V6(String),
[INFO] [stdout] 386 +     V6(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aaa` and `bbb` are never read
[INFO] [stdout]    --> hello/src/main.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     Aa {
[INFO] [stdout]     |     -- fields in this variant
[INFO] [stdout] 388 |         aaa:String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 389 |         bbb:String
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:443:4
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn read_file() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_str_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:456:4
[INFO] [stdout]     |
[INFO] [stdout] 456 | fn read_str_file () -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `v4Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let v4Ip = IpAddr::V4(127,0,0,0);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v4_ip`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V6Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v6_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Aa` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let Aa  = IpAddr::Aa {aaa:String::from("dsds"),bbb:String::from("bbb")};
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `someV` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let someV = Some("aaaa");
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `some_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "90199b39d15e6aec0297ea98dfcbdf5e23bc8025c02dc029405db70881399cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90199b39d15e6aec0297ea98dfcbdf5e23bc8025c02dc029405db70881399cc4", kill_on_drop: false }`
[INFO] [stdout] 90199b39d15e6aec0297ea98dfcbdf5e23bc8025c02dc029405db70881399cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf3872df9dbfdcba3f6e7d184e34d8c6343804633d1af2f42e0fe386252107c
[INFO] running `Command { std: "docker" "start" "-a" "adf3872df9dbfdcba3f6e7d184e34d8c6343804633d1af2f42e0fe386252107c", kill_on_drop: false }`
[INFO] [stdout] warning: type `y_enum` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum y_enum {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     a1(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]    Compiling hello v1.0.0 (/opt/rustwide/workdir/hello)
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     a2(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toast` is never read
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub key: String,
[INFO] [stdout] 9 |     toast: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `y_enum` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum y_enum {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     a1(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     a2(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `sumer` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:313:7
[INFO] [stdout]     |
[INFO] [stdout] 313 | trait sumer {
[INFO] [stdout]     |       ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sumer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `twwier` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to upper camel case: `Twwier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toast` is never read
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub key: String,
[INFO] [stdout] 9 |     toast: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> hello/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let num = rand::thread_rng().gen_range(1,100);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> hello/src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `V6Ip`
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_V6Ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aa`
[INFO] [stdout]    --> hello/src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |    let  aa :Vec<i32> = vec![1,2,3,4];
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> hello/src/main.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |    let a = ss + &sa;//第一参数被使用权转移了
[INFO] [stdout]     |        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]    --> hello/src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |    let vec = vec![1,2,3,4];
[INFO] [stdout]     |        ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> hello/src/main.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | let f = match file {
[INFO] [stdout]     |     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> hello/src/main.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |                     Err(error) => {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> hello/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key1`
[INFO] [stdout]    --> hello/src/main.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let key1 = front_of_house::y_enum::a1;//使用作用域
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kye2`
[INFO] [stdout]    --> hello/src/main.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |     let kye2 = front_of_house::y_enum::a2;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_kye2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aa` and `bb` are never read
[INFO] [stdout]    --> hello/src/main.rs:322:5
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 322 |     aa:String,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 323 |     bb:String
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_use_duan` is never used
[INFO] [stdout]    --> hello/src/main.rs:348:4
[INFO] [stdout]     |
[INFO] [stdout] 348 | fn read_use_duan() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]    --> hello/src/main.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 |     V4(u8,u8,u8,u8),
[INFO] [stdout]     |     -- ^^ ^^ ^^ ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 385 -     V4(u8,u8,u8,u8),
[INFO] [stdout] 385 +     V4((),(),(),()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> hello/src/main.rs:386:8
[INFO] [stdout]     |
[INFO] [stdout] 386 |     V6(String),
[INFO] [stdout]     |     -- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 386 -     V6(String),
[INFO] [stdout] 386 +     V6(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aaa` and `bbb` are never read
[INFO] [stdout]    --> hello/src/main.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     Aa {
[INFO] [stdout]     |     -- fields in this variant
[INFO] [stdout] 388 |         aaa:String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 389 |         bbb:String
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:443:4
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn read_file() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_str_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:456:4
[INFO] [stdout]     |
[INFO] [stdout] 456 | fn read_str_file () -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `v4Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let v4Ip = IpAddr::V4(127,0,0,0);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v4_ip`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V6Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v6_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Aa` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let Aa  = IpAddr::Aa {aaa:String::from("dsds"),bbb:String::from("bbb")};
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `someV` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let someV = Some("aaaa");
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `some_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "adf3872df9dbfdcba3f6e7d184e34d8c6343804633d1af2f42e0fe386252107c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf3872df9dbfdcba3f6e7d184e34d8c6343804633d1af2f42e0fe386252107c", kill_on_drop: false }`
[INFO] [stdout] adf3872df9dbfdcba3f6e7d184e34d8c6343804633d1af2f42e0fe386252107c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e623623776d1ddfe657d8f52c7025aba4c95619bc69247c0a38999b084c145b
[INFO] running `Command { std: "docker" "start" "-a" "6e623623776d1ddfe657d8f52c7025aba4c95619bc69247c0a38999b084c145b", kill_on_drop: false }`
[INFO] [stderr] warning: type `y_enum` should have an upper camel case name
[INFO] [stderr]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum y_enum {
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a1` should have an upper camel case name
[INFO] [stderr]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     a1(String),
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a2` should have an upper camel case name
[INFO] [stderr]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     a2(String),
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stderr] 
[INFO] [stderr] warning: field `toast` is never read
[INFO] [stderr]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Breakfast {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 8 |     pub key: String,
[INFO] [stderr] 9 |     toast: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `restaurant` (lib) generated 4 warnings
[INFO] [stderr] warning: `restaurant` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: trait `sumer` should have an upper camel case name
[INFO] [stderr]    --> hello/src/main.rs:313:7
[INFO] [stderr]     |
[INFO] [stderr] 313 | trait sumer {
[INFO] [stderr]     |       ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sumer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `twwier` should have an upper camel case name
[INFO] [stderr]    --> hello/src/main.rs:321:12
[INFO] [stderr]     |
[INFO] [stderr] 321 | pub struct twwier {
[INFO] [stderr]     |            ^^^^^^ help: convert the identifier to upper camel case: `Twwier`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> hello/src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let num = rand::thread_rng().gen_range(1,100);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> hello/src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut i = 0;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `V6Ip`
[INFO] [stderr]    --> hello/src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_V6Ip`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aa`
[INFO] [stderr]    --> hello/src/main.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |    let  aa :Vec<i32> = vec![1,2,3,4];
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> hello/src/main.rs:174:8
[INFO] [stderr]     |
[INFO] [stderr] 174 |    let a = ss + &sa;//第一参数被使用权转移了
[INFO] [stderr]     |        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]    --> hello/src/main.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 208 |    let vec = vec![1,2,3,4];
[INFO] [stderr]     |        ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> hello/src/main.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 | let f = match file {
[INFO] [stderr]     |     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> hello/src/main.rs:221:25
[INFO] [stderr]     |
[INFO] [stderr] 221 |                     Err(error) => {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> hello/src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut i = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key1`
[INFO] [stderr]    --> hello/src/main.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |     let key1 = front_of_house::y_enum::a1;//使用作用域
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kye2`
[INFO] [stderr]    --> hello/src/main.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |     let kye2 = front_of_house::y_enum::a2;
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_kye2`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `aa` and `bb` are never read
[INFO] [stderr]    --> hello/src/main.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 321 | pub struct twwier {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 322 |     aa:String,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 323 |     bb:String
[INFO] [stderr]     |     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_use_duan` is never used
[INFO] [stderr]    --> hello/src/main.rs:348:4
[INFO] [stderr]     |
[INFO] [stderr] 348 | fn read_use_duan() -> Result<String,io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]    --> hello/src/main.rs:385:8
[INFO] [stderr]     |
[INFO] [stderr] 385 |     V4(u8,u8,u8,u8),
[INFO] [stderr]     |     -- ^^ ^^ ^^ ^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     fields in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]     |
[INFO] [stderr] 385 -     V4(u8,u8,u8,u8),
[INFO] [stderr] 385 +     V4((),(),(),()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> hello/src/main.rs:386:8
[INFO] [stderr]     |
[INFO] [stderr] 386 |     V6(String),
[INFO] [stderr]     |     -- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 386 -     V6(String),
[INFO] [stderr] 386 +     V6(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `aaa` and `bbb` are never read
[INFO] [stderr]    --> hello/src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |     Aa {
[INFO] [stderr]     |     -- fields in this variant
[INFO] [stderr] 388 |         aaa:String,
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 389 |         bbb:String
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file` is never used
[INFO] [stderr]    --> hello/src/main.rs:443:4
[INFO] [stderr]     |
[INFO] [stderr] 443 | fn read_file() -> Result<String,io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_str_file` is never used
[INFO] [stderr]    --> hello/src/main.rs:456:4
[INFO] [stderr]     |
[INFO] [stderr] 456 | fn read_str_file () -> Result<String,io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `v4Ip` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let v4Ip = IpAddr::V4(127,0,0,0);
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case: `v4_ip`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V6Ip` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case: `v6_ip`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Aa` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let Aa  = IpAddr::Aa {aaa:String::from("dsds"),bbb:String::from("bbb")};
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `aa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `someV` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let someV = Some("aaaa");
[INFO] [stderr]     |         ^^^^^ help: convert the identifier to snake case: `some_v`
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (bin "hello" test) generated 24 warnings (run `cargo fix --bin "hello" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-bc866f95a242d331)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/restaurant-65c437be749e33a1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test tests::aa ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `-p restaurant --lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::aa stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::aa' (26) panicked at restaurant/src/lib.rs:19:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6291d21a9f02 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6291d21a9f02 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6291d21a9f02 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6291d21a9f02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6291d21ba10f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6291d21ba10f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x6291d2177471 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6291d2177471 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6291d21834d2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6291d218801f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6291d2187eb1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x6291d2148a7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x6291d2148a7e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6291d21886df - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x6291d21886df - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x6291d218853a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x6291d2183609 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x6291d216b94d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6291d21c1910 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6291d21c17b3 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x6291d2127577 - core::panicking::assert_failed::he27b4e6bf31e2f77
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x6291d2126b51 - restaurant::tests::aa::h200bb319229960b1
[INFO] [stdout]                                at /opt/rustwide/workdir/restaurant/src/lib.rs:19:9
[INFO] [stdout]   22:     0x6291d2126b77 - restaurant::tests::aa::{{closure}}::hadb4f89924181c5f
[INFO] [stdout]                                at /opt/rustwide/workdir/restaurant/src/lib.rs:18:12
[INFO] [stdout]   23:     0x6291d2126ed6 - core::ops::function::FnOnce::call_once::ha28d79f8365d48c3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6291d214883b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6291d214883b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x6291d215e4a5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x6291d215e4a5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x6291d215e4a5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x6291d215e4a5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x6291d215e4a5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6291d215e4a5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x6291d215e4a5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x6291d2134c94 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x6291d2134c94 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x6291d213855a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x6291d213855a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x6291d213855a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x6291d213855a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x6291d213855a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6291d213855a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x6291d213855a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6291d217e76f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x6291d217e76f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x748cc6dedaa4 - <unknown>
[INFO] [stdout]   45:     0x748cc6e7aa34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::aa
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e623623776d1ddfe657d8f52c7025aba4c95619bc69247c0a38999b084c145b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e623623776d1ddfe657d8f52c7025aba4c95619bc69247c0a38999b084c145b", kill_on_drop: false }`
[INFO] [stdout] 6e623623776d1ddfe657d8f52c7025aba4c95619bc69247c0a38999b084c145b
